Date: Thu, 22 Dec 2016 10:33:34 -0800 From: Gleb Smirnoff <glebius@FreeBSD.org> To: hiren panchasara <hiren@strugglingcoder.info> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r309745 - in head: share/man/man9 sys/kern sys/sys Message-ID: <20161222183334.GP9389@FreeBSD.org> In-Reply-To: <20161222001928.GZ82166@strugglingcoder.info> References: <201612091758.uB9HwYC0087384@repo.freebsd.org> <20161222001928.GZ82166@strugglingcoder.info>
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Hi! On Wed, Dec 21, 2016 at 04:19:28PM -0800, hiren panchasara wrote: h> On 12/09/16 at 05:58P, Gleb Smirnoff wrote: h> > Author: glebius h> > Date: Fri Dec 9 17:58:34 2016 h> > New Revision: 309745 h> > URL: https://svnweb.freebsd.org/changeset/base/309745 h> > h> > Log: h> > Provide counter_ratecheck(), a MP-friendly substitution to ppsratecheck(). h> > When rated event happens at a very quick rate, the ppsratecheck() is not h> > only racy, but also becomes a performance bottleneck. h> > h> > Together with: rrs, jtl h> h> Is it possible for you to MFC this and the following fix to it to 11? Have you tried it and found useful? If yes, you are welcome to merge it. My current work involves only FreeBSD head, I don't have any STABLE production boxes, that's why I am very conservative with my MFCs: I do only obvious conservative bugfixes, not performance improvements. -- Totus tuus, Glebius.
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